libata: convert to iomap

[powerpc.git] / drivers / ata / sata_promise.c

diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c
index e09c609..4fb47ca 100644 (file)
--- a/drivers/ata/sata_promise.c
+++ b/drivers/ata/sata_promise.c
@@ -50,6 +50,8 @@
 
 
 enum {
+       PDC_MMIO_BAR            = 3,
+
        /* register offsets */
        PDC_FEATURE             = 0x04, /* Feature/Error reg (per port) */
        PDC_SECTOR_COUNT        = 0x08, /* Sector count reg (per port) */
@@ -167,7 +169,7 @@ static const struct ata_port_operations pdc_sata_ops = {
        .thaw                   = pdc_thaw,
        .error_handler          = pdc_error_handler,
        .post_internal_cmd      = pdc_post_internal_cmd,
-       .data_xfer              = ata_mmio_data_xfer,
+       .data_xfer              = ata_data_xfer,
        .irq_handler            = pdc_interrupt,
        .irq_clear              = pdc_irq_clear,
 
@@ -192,7 +194,7 @@ static const struct ata_port_operations pdc_old_sata_ops = {
        .thaw                   = pdc_thaw,
        .error_handler          = pdc_error_handler,
        .post_internal_cmd      = pdc_post_internal_cmd,
-       .data_xfer              = ata_mmio_data_xfer,
+       .data_xfer              = ata_data_xfer,
        .irq_handler            = pdc_interrupt,
        .irq_clear              = pdc_irq_clear,
 
@@ -214,7 +216,7 @@ static const struct ata_port_operations pdc_pata_ops = {
 
        .qc_prep                = pdc_qc_prep,
        .qc_issue               = pdc_qc_issue_prot,
-       .data_xfer              = ata_mmio_data_xfer,
+       .data_xfer              = ata_data_xfer,
        .eng_timeout            = pdc_eng_timeout,
        .irq_handler            = pdc_interrupt,
        .irq_clear              = pdc_irq_clear,
@@ -348,7 +350,7 @@ static int pdc_port_start(struct ata_port *ap)
 
 static void pdc_reset_port(struct ata_port *ap)
 {
-       void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_CTLSTAT;
+       void __iomem *mmio = ap->ioaddr.cmd_addr + PDC_CTLSTAT;
        unsigned int i;
        u32 tmp;
 
@@ -394,7 +396,7 @@ static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg)
 {
        if (sc_reg > SCR_CONTROL || ap->cbl != ATA_CBL_SATA)
                return 0xffffffffU;
-       return readl((void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4));
+       return readl(ap->ioaddr.scr_addr + (sc_reg * 4));
 }
 
 
@@ -403,7 +405,7 @@ static void pdc_sata_scr_write (struct ata_port *ap, unsigned int sc_reg,
 {
        if (sc_reg > SCR_CONTROL || ap->cbl != ATA_CBL_SATA)
                return;
-       writel(val, (void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4));
+       writel(val, ap->ioaddr.scr_addr + (sc_reg * 4));
 }
 
 static void pdc_atapi_pkt(struct ata_queued_cmd *qc)
@@ -627,7 +629,7 @@ static inline unsigned int pdc_host_intr( struct ata_port *ap,
 {
        unsigned int handled = 0;
        u32 tmp;
-       void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_GLOBAL_CTL;
+       void __iomem *mmio = ap->ioaddr.cmd_addr + PDC_GLOBAL_CTL;
 
        tmp = readl(mmio);
        if (tmp & PDC_ERR_MASK) {
@@ -656,7 +658,7 @@ static inline unsigned int pdc_host_intr( struct ata_port *ap,
 static void pdc_irq_clear(struct ata_port *ap)
 {
        struct ata_host *host = ap->host;
-       void __iomem *mmio = host->mmio_base;
+       void __iomem *mmio = host->iomap[PDC_MMIO_BAR];
 
        readl(mmio + PDC_INT_SEQMASK);
 }
@@ -672,12 +674,12 @@ static irqreturn_t pdc_interrupt (int irq, void *dev_instance)
 
        VPRINTK("ENTER\n");
 
-       if (!host || !host->mmio_base) {
+       if (!host || !host->iomap[PDC_MMIO_BAR]) {
                VPRINTK("QUICK EXIT\n");
                return IRQ_NONE;
        }
 
-       mmio_base = host->mmio_base;
+       mmio_base = host->iomap[PDC_MMIO_BAR];
 
        /* reading should also clear interrupts */
        mask = readl(mmio_base + PDC_INT_SEQMASK);
@@ -722,18 +724,19 @@ static inline void pdc_packet_start(struct ata_queued_cmd *qc)
 {
        struct ata_port *ap = qc->ap;
        struct pdc_port_priv *pp = ap->private_data;
+       void __iomem *mmio = ap->host->iomap[PDC_MMIO_BAR];
        unsigned int port_no = ap->port_no;
        u8 seq = (u8) (port_no + 1);
 
        VPRINTK("ENTER, ap %p\n", ap);
 
-       writel(0x00000001, ap->host->mmio_base + (seq * 4));
-       readl(ap->host->mmio_base + (seq * 4)); /* flush */
+       writel(0x00000001, mmio + (seq * 4));
+       readl(mmio + (seq * 4));        /* flush */
 
        pp->pkt[2] = seq;
        wmb();                  /* flush PRD, pkt writes */
-       writel(pp->pkt_dma, (void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT);
-       readl((void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); /* flush */
+       writel(pp->pkt_dma, ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT);
+       readl(ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); /* flush */
 }
 
 static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc)
@@ -808,7 +811,7 @@ static int pdc_old_check_atapi_dma(struct ata_queued_cmd *qc)
        return pdc_check_atapi_dma(qc);
 }
 
-static void pdc_ata_setup_port(struct ata_ioports *port, unsigned long base)
+static void pdc_ata_setup_port(struct ata_ioports *port, void __iomem *base)
 {
        port->cmd_addr          = base;
        port->data_addr         = base;
@@ -828,7 +831,7 @@ static void pdc_ata_setup_port(struct ata_ioports *port, unsigned long base)
 
 static void pdc_host_init(unsigned int chip_id, struct ata_probe_ent *pe)
 {
-       void __iomem *mmio = pe->mmio_base;
+       void __iomem *mmio = pe->iomap[PDC_MMIO_BAR];
        struct pdc_host_priv *hp = pe->private_data;
        int hotplug_offset;
        u32 tmp;
@@ -884,8 +887,7 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
        static int printed_version;
        struct ata_probe_ent *probe_ent;
        struct pdc_host_priv *hp;
-       unsigned long base;
-       void __iomem *mmio_base;
+       void __iomem *base;
        unsigned int board_idx = (unsigned int) ent->driver_data;
        int rc;
        u8 tmp;
@@ -897,11 +899,11 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
        if (rc)
                return rc;
 
-       rc = pci_request_regions(pdev, DRV_NAME);
-       if (rc) {
+       rc = pcim_iomap_regions(pdev, 1 << PDC_MMIO_BAR, DRV_NAME);
+       if (rc == -EBUSY)
                pcim_pin_device(pdev);
+       if (rc)
                return rc;
-       }
 
        rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
        if (rc)
@@ -917,11 +919,6 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
        probe_ent->dev = pci_dev_to_dev(pdev);
        INIT_LIST_HEAD(&probe_ent->node);
 
-       mmio_base = pcim_iomap(pdev, 3, 0);
-       if (mmio_base == NULL)
-               return -ENOMEM;
-       base = (unsigned long) mmio_base;
-
        hp = devm_kzalloc(&pdev->dev, sizeof(*hp), GFP_KERNEL);
        if (hp == NULL)
                return -ENOMEM;
@@ -937,7 +934,9 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
 
                probe_ent->irq = pdev->irq;
                probe_ent->irq_flags = IRQF_SHARED;
-       probe_ent->mmio_base = mmio_base;
+       probe_ent->iomap = pcim_iomap_table(pdev);
+
+       base = probe_ent->iomap[PDC_MMIO_BAR];
 
        pdc_ata_setup_port(&probe_ent->port[0], base + 0x200);
        pdc_ata_setup_port(&probe_ent->port[1], base + 0x280);
@@ -964,7 +963,7 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
                /* Fall through */
        case board_2037x:
                /* TX2plus boards also have a PATA port */
-               tmp = readb(mmio_base + PDC_FLASH_CTL+1);
+               tmp = readb(base + PDC_FLASH_CTL+1);
                if (!(tmp & 0x80)) {
                        probe_ent->n_ports = 3;
                        pdc_ata_setup_port(&probe_ent->port[2], base + 0x300);